../ dmsp_15_ephemeris_20151004.txt 22-Jun-2023 00:29 109758 dmsp_16_ephemeris_20151004.txt 22-Jun-2023 00:29 109628 dmsp_17_ephemeris_20151004.txt 22-Jun-2023 00:29 109517 dmsp_18_ephemeris_20151004.txt 22-Jun-2023 00:29 109568 dmsp_19_ephemeris_20151004.txt 22-Jun-2023 00:29 109579